2557360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2459}}^1$

素因数の和:2485

約数の個数: 40

約数和(自身を含む): 6405840

約数和(自身を除く): 3848480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2459, 4918, 9836, 12295, 19672, 24590, 31967, 39344, 49180, 63934, 98360, 127868, 159835, 196720, 255736, 319670, 511472, 639340, 1278680, 2557360]

約数ペア:

[(1, 2557360), (2, 1278680), (4, 639340), (5, 511472), (8, 319670), (10, 255736), (13, 196720), (16, 159835), (20, 127868), (26, 98360), (40, 63934), (52, 49180), (65, 39344), (80, 31967), (104, 24590), (130, 19672), (208, 12295), (260, 9836), (520, 4918), (1040, 2459)]